Finding the Fourth Proportional to 1,178,742.72, 1,768,636.80 and 617,643.84
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Solution
The fourth proportional to 1,178,742.72, 1,768,636.80 and 617,643.84 is: 926,739.66
Step by Step Solution
- Step 1: Write the proportion equation
1,178,742.72 : 1,768,636.80 = 617,643.84 : x - Step 2: Convert to fraction form
1,178,742.72/1,768,636.80 = 617,643.84/x - Step 3: Cross multiply
1,178,742.72x = 1,768,636.80 × 617,643.84 - Step 4: Simplify right side
1,178,742.72x = 1,092,387,624,717.31 - Step 5: Solve for x
x = 1,092,387,624,717.31/1,178,742.72 - Step 6: Final answer
x = 926,739.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.